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In electronics and electrical engineering, a fuse is an electrical safety device that operates to provide overcurrent protection of an electrical circuit. Its essential component is a metal wire or strip that melts when too much current flows through it, thereby stopping or interrupting the current.
The thin wire is designed to melt at a specific temperature which is reached when the circuit is carrying more than the intended amount of electric current. When the wire melts, the circuit is broken and no electricity flows. [2] Cylinder fuses are used in many types of electrical and electronic devices.
Switched and unswitched fused connection units, without sockets, use BS 1362 fuses for connection of permanently wired appliances to a socket-outlet circuit. They are also used in other situations where a fuse or switch (or both) is required, such as when feeding lighting off a socket-outlet circuit, to protect spurs off a ring circuit with ...
In electrical distribution, a fuse cutout or cut-out fuse (often referred to as a cutout) is a combination of a fuse and a switch, used in primary overhead feeder lines and taps to protect distribution transformers from current surges and overloads. An overcurrent caused by a fault in the transformer or customer circuit will cause the fuse to ...
Note: these fuses were manually traced from the following pdf-datasheets: (No part of the original PDF remains in this SVG file) Littlefuse.com: datasheet of Micro2 fuse; Littlefuse.com: datasheet of Micro3 fuse actually used version, with vector graphic of fuse) Littelfuse.com: datasheet of low-profile mini fuse
It is the form of electrical power that is delivered to homes and businesses through the electrical grid in many parts of the world. People use this electricity to power everyday items (such as domestic appliances, televisions and lamps) by plugging them into a wall outlet. The voltage and frequency of electric power differs between regions. In ...
An electrical fusible link is a type of electrical fuse that is constructed simply with a short piece of wire typically four American wire gauge (AWG) sizes smaller than the wire that is being protected. For example, an AWG 16 fusible link might be used to protect AWG 12 wiring.